************************************************************************** USACE / NAVFAC / AFCEC / NASA ...

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**************************************************************************
USACE / NAVFAC / AFCEC / NASA
UFGS-43 21 13 (January 2008)
---------------------------Preparing Activity: USACE
Superseding
UFGS-43 21 13 (April 2006)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated January 2016
**************************************************************************
SECTION TABLE OF CONTENTS
DIVISION 43 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE
EQUIPMENT
SECTION 43 21 13
PUMPS:
WATER, CENTRIFUGAL
01/08
PART 1
1.1
1.2
1.3
1.4
PART 2
GENERAL
REFERENCES
SUBMITTALS
QUALITY ASSURANCE
DELIVERY, STORAGE, AND HANDLING
PRODUCTS
2.1
SYSTEM
2.1.1
Selection Criteria
2.1.2
Conformance With Agency Requirements
2.1.3
Governing Requirements
2.1.4
Safety Requirements
2.2
MATERIALS AND EQUIPMENT
2.2.1
Standard Products
2.2.2
Description
2.2.3
Nameplates
2.3
CENTRIFUGAL WATER PUMPS
2.3.1
Pump Service
2.3.2
Pump Drives
2.3.3
Pump Construction
2.3.4
Pump Characteristics
2.3.5
Pump Casings
2.3.6
Impellers
2.3.7
Wearing Rings
2.3.8
Shaft
2.3.9
Packing Seals
2.3.9.1
Gland
2.3.9.2
Stuffing boxes
2.3.10
Mechanical Seals
2.3.11
Couplings
2.3.12
Balance
2.3.13
Bearings
2.3.14
Lubrication
SECTION 43 21 13
Page 1
2.3.15
Base Plates
2.3.16
Cocks, Plugs, and Accessories
2.3.17
Piping Connections
2.3.18
Finish
2.4
ELECTRICAL WORK
2.5
ELECTRICAL EQUIPMENT
2.5.1
Electric Motors
2.5.2
Control Equipment
2.5.3
Variable Speed Controls
2.5.3.1
Description
2.5.3.2
Governing Requirements
2.5.3.3
Quality Assurance
2.5.3.4
Service
2.5.3.5
Basic Features
2.5.3.6
Protective Circuits and Features
2.5.3.7
Adjustments
2.6
DIESEL ENGINES
2.7
GASOLINE ENGINES
2.8
ENGINE EQUIPMENT AND ACCESSORIES
2.8.1
Governor
2.8.2
Cooling System
2.8.3
Lubrication
2.8.4
Exhaust System
2.8.5
Air Intake Equipment
2.8.6
Starting Equipment
2.8.7
Batteries
2.8.8
Battery Charging
2.8.9
Safety Controls
2.8.10
Instrument Panel
2.8.11
Engine Control
2.8.11.1
Single Units
2.8.11.2
Multiple Units
2.8.12
Fuel System
2.9
EQUIPMENT APPURTENANCES
2.9.1
Attachments
2.9.2
Equipment Guards
2.9.3
Tools
2.9.4
Shop Painting
2.10
FACTORY TESTS
PART 3
EXECUTION
3.1
EXAMINATION
3.2
INSTALLATION
3.2.1
System Coordination
3.2.2
Operating Instructions
3.3
FIELD TESTS
3.3.1
Procedures
3.3.2
Insulation Resistance Testing
3.3.3
Reporting
3.4
FIELD PAINTING
3.4.1
Touch-Up Painting
3.4.2
Exposed Ferrous Surfaces
3.5
CLOSEOUT ACTIVITIES
3.5.1
Training
3.5.2
Operation and Maintenance Manuals
-- End of Section Table of Contents --
SECTION 43 21 13
Page 2
**************************************************************************
USACE / NAVFAC / AFCEC / NASA
UFGS-43 21 13 (January 2008)
---------------------------Preparing Activity: USACE
Superseding
UFGS-43 21 13 (April 2006)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated January 2016
**************************************************************************
SECTION 43 21 13
PUMPS:
WATER, CENTRIFUGAL
01/08
**************************************************************************
NOTE: This guide specification covers the
requirements for centrifugal pumps - electric motor
and internal combustion engine operated.
Adhere to UFC 1-300-02 Unified Facilities Guide
Specifications (UFGS) Format Standard when editing
this guide specification or preparing new project
specification sections. Edit this guide
specification for project specific requirements by
adding, deleting, or revising text. For bracketed
items, choose applicable items(s) or insert
appropriate information.
Remove information and requirements not required in
respective project, whether or not brackets are
present.
Comments, suggestions and recommended changes for
this guide specification are welcome and should be
submitted as a Criteria Change Request (CCR).
**************************************************************************
PART 1
1.1
GENERAL
REFERENCES
**************************************************************************
NOTE: This paragraph is used to list the
publications cited in the text of the guide
specification. The publications are referred to in
the text by basic designation only and listed in
this paragraph by organization, designation, date,
and title.
Use the Reference Wizard's Check Reference feature
when you add a RID outside of the Section's
Reference Article to automatically place the
reference in the Reference Article. Also use the
Reference Wizard's Check Reference feature to update
the issue dates.
SECTION 43 21 13
Page 3
References not used in the text will automatically
be deleted from this section of the project
specification when you choose to reconcile
references in the publish print process.
**************************************************************************
The publications listed below form a part of this specification to the
extent referenced. The publications are referred to within the text by the
basic designation only.
ASME INTERNATIONAL (ASME)
ASME B1.1
(2003; R 2008) Unified Inch Screw Threads
(UN and UNR Thread Form)
ASME B16.1
(2010) Gray Iron Pipe Flanges and Flanged
Fittings Classes 25, 125, and 250
ASME B16.5
(2013) Pipe Flanges and Flanged Fittings:
NPS 1/2 Through NPS 24 Metric/Inch Standard
ASME B40.100
(2013) Pressure Gauges and Gauge
Attachments
ASSOCIATION FOR IRON AND STEEL TECHNOLOGY (AIST)
AIST PB-229
(2008) Stainless Steels:
Manual
A Steel Products
ASTM INTERNATIONAL (ASTM)
ASTM A123/A123M
(2013) Standard Specification for Zinc
(Hot-Dip Galvanized) Coatings on Iron and
Steel Products
ASTM A153/A153M
(2009) Standard Specification for Zinc
Coating (Hot-Dip) on Iron and Steel
Hardware
ASTM A307
(2014) Standard Specification for Carbon
Steel Bolts and Studs, 60 000 PSI Tensile
Strength
ASTM D975
(2015b) Standard Specification for Diesel
Fuel Oils
ASTM F593
(2013a) Stainless Steel Bolts, Hex Cap
Screws, and Studs
HYDRAULIC INSTITUTE (HI)
HI 1.1-1.2
(2014) Rotodynamic (Centrifugal) Pump for
Nomenclature and Definitions
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
NEMA MG 1
(2014) Motors and Generators
SECTION 43 21 13
Page 4
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 20
(2016) Standard for the Installation of
Stationary Pumps for Fire Protection
NFPA 30
(2015) Flammable and Combustible Liquids
Code
NFPA 37
(2015) Standard for the Installation and
Use of Stationary Combustion Engines and
Gas Turbines
NFPA 70
(2014; AMD 1 2013; Errata 1 2013; AMD 2
2013; Errata 2 2013; AMD 3 2014; Errata
3-4 2014; AMD 4-6 2014) National
Electrical Code
SOCIETY FOR PROTECTIVE COATINGS (SSPC)
SSPC Paint 21
(1982; E 2004) White or Colored Silicone
Alkyd Paint (Type I, High Gloss and Type
II, Medium Gloss)
SSPC Paint 25
(1997; E 2004) Zinc Oxide, Alkyd, Linseed
Oil Primer for Use Over Hand Cleaned
Steel, Type I and Type II
U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)
47 CFR 15
Radio Frequency Devices
UNDERWRITERS LABORATORIES (UL)
UL 448
1.2
(2007; Reprint Jul 2013) Centrifugal
Stationary Pumps for Fire-Protection
Service
SUBMITTALS
**************************************************************************
NOTE: Review submittal description (SD) definitions
in Section 01 33 00 SUBMITTAL PROCEDURES and edit
the following list to reflect only the submittals
required for the project.
The Guide Specification technical editors have
designated those items that require Government
approval, due to their complexity or criticality,
with a "G." Generally, other submittal items can be
reviewed by the Contractor's Quality Control
System. Only add a “G” to an item, if the submittal
is sufficiently important or complex in context of
the project.
For submittals requiring Government approval on Army
projects, a code of up to three characters within
the submittal tags may be used following the "G"
designation to indicate the approving authority.
Codes for Army projects using the Resident
SECTION 43 21 13
Page 5
representative and written certification from the manufacturer that the
representative are technically qualified.
1.4
DELIVERY, STORAGE, AND HANDLING
Protect all equipment, delivered and designated for storage, from the
weather, humidity and temperature variations, dirt and dust, or other
contaminants.
PART 2
2.1
2.1.1
PRODUCTS
SYSTEM
Selection Criteria
Design pumps using hydraulic criteria based upon actual model developmental
test data. Select pumps at a point within the maximum efficiency for a
given impeller casing combination. Deviations within 3 percent of maximum
efficiency are permissible, provided the lesser efficiency is not less than
the scheduled efficiency. Pumps having impeller diameters larger than 90
percent of the published maximum diameter of the casing or less than 15
percent larger than the published minimum diameter of the casing will be
rejected. Acceptable maximum impeller diameter calculations shall not be
based on percentage of impeller diameter range for a given casing.
2.1.2
Conformance With Agency Requirements
Where materials or equipment are specified to be an approved type, the seal
or label of approval from a nationally recognized testing agency,
adequately equipped and competent to perform such services, shall be
attached thereto. A written certificate from the testing agency shall
accompany the materials or equipment and shall be submitted to the
Contracting Officer stating that the items have been tested and that they
conform to the applicable requirements of the specifications and to the
standards listed herein. The certificate shall indicate the methods of
testing used by the testing agency. In lieu of a certificate from a
testing agency, published catalog specification data, accompanied by the
manufacturer's certified statement to the effect that the items are in
accordance with the applicable requirements of the specifications and the
referenced standards, will be considered by the Contracting Officer and may
be acceptable as evidence that the items conform with agency requirements.
2.1.3
Governing Requirements
Fire pumps and appurtenances shall conform in all respects to NFPA 20.
2.1.4
Safety Requirements
Fully enclose or properly guard gears, couplings, projecting set-screws,
keys, and other rotating parts, so located that any person can come in
close proximity thereto.
2.2
MATERIALS AND EQUIPMENT
Provide materials and equipment which are as specified below, as shown, and
are suitable for the service intended. Provide materials and equipment
which are new and unused, except for tests. Where two or more pieces of
equipment performing the same function are required, they shall be
duplicate products of the same manufacturer.
SECTION 43 21 13
Page 7
representative and written certification from the manufacturer that the
representative are technically qualified.
1.4
DELIVERY, STORAGE, AND HANDLING
Protect all equipment, delivered and designated for storage, from the
weather, humidity and temperature variations, dirt and dust, or other
contaminants.
PART 2
2.1
2.1.1
PRODUCTS
SYSTEM
Selection Criteria
Design pumps using hydraulic criteria based upon actual model developmental
test data. Select pumps at a point within the maximum efficiency for a
given impeller casing combination. Deviations within 3 percent of maximum
efficiency are permissible, provided the lesser efficiency is not less than
the scheduled efficiency. Pumps having impeller diameters larger than 90
percent of the published maximum diameter of the casing or less than 15
percent larger than the published minimum diameter of the casing will be
rejected. Acceptable maximum impeller diameter calculations shall not be
based on percentage of impeller diameter range for a given casing.
2.1.2
Conformance With Agency Requirements
Where materials or equipment are specified to be an approved type, the seal
or label of approval from a nationally recognized testing agency,
adequately equipped and competent to perform such services, shall be
attached thereto. A written certificate from the testing agency shall
accompany the materials or equipment and shall be submitted to the
Contracting Officer stating that the items have been tested and that they
conform to the applicable requirements of the specifications and to the
standards listed herein. The certificate shall indicate the methods of
testing used by the testing agency. In lieu of a certificate from a
testing agency, published catalog specification data, accompanied by the
manufacturer's certified statement to the effect that the items are in
accordance with the applicable requirements of the specifications and the
referenced standards, will be considered by the Contracting Officer and may
be acceptable as evidence that the items conform with agency requirements.
2.1.3
Governing Requirements
Fire pumps and appurtenances shall conform in all respects to NFPA 20.
2.1.4
Safety Requirements
Fully enclose or properly guard gears, couplings, projecting set-screws,
keys, and other rotating parts, so located that any person can come in
close proximity thereto.
2.2
MATERIALS AND EQUIPMENT
Provide materials and equipment which are as specified below, as shown, and
are suitable for the service intended. Provide materials and equipment
which are new and unused, except for tests. Where two or more pieces of
equipment performing the same function are required, they shall be
duplicate products of the same manufacturer.
SECTION 43 21 13
Page 7
Submit manufacturer's descriptive data and technical literature,
performance charts and curves for all impeller sizes for a given casing,
catalog cuts, and installation instructions. Spare parts data for each
different item of material and equipment specified, after approval of the
detail drawings and not later than [_____] months prior to the date of
beneficial occupancy. Data shall include a complete list of parts and
supplies, with current unit prices and source of supply.
2.2.1
Standard Products
Provide material and equipment which are the standard products of a
manufacturer regularly engaged in the manufacture of such products and that
essentially duplicate equipment that has been in satisfactory waterworks
operation at least 2 years prior to bid opening. Equipment shall be
supported by a service organization that is, in the opinion of the
Contracting Officer, reasonably convenient to the jobsite. Pumps [and] [,]
[motors] [and] [engines] of the same types shall each be the product of one
manufacturer.
2.2.2
Description
The pumps shall be [horizontal] [and] [vertical] centrifugal water pumps of
the types indicated and specified. The [single] [dual] driving units for
the pumps shall be [electric motors] [and] [gasoline engines] [diesel
engines] as indicated and specified. On dual drive units, each type of
drive shall be equipped with an approved free-wheeling clutch.
2.2.3
Nameplates
Pumps and motors shall have a standard nameplate securely affixed in a
conspicuous place showing the manufacturer's name, address, type or style,
model, serial number, and catalog number. In addition, the nameplate for
each pump shall show the capacity in L/second gpm at rated speed in rpm and
head in mm feet of water. Nameplate for each electric motor shall show at
least the minimum information required by 10.38 NEMA MG 1. [Nameplate for
each [gasoline] [diesel] engine shall show the horsepower and the speed in
rpm to produce rated output from the pump.] Such other information as the
manufacturer may consider necessary to complete identification shall be
shown on the nameplate.
2.3
CENTRIFUGAL WATER PUMPS
**************************************************************************
NOTE: The pump numbers shown on the drawings will
be entered in the appropriate blanks. A pump may
have more than one type of service. Inapplicable
configurations, types of service, and types of pump
drivers will be deleted. NFPA 20 includes only
horizontal centrifugal fire pumps and vertical
turbine fire pumps.
**************************************************************************
The pumps shall be the centrifugal, [single-stage or multi-stage type,]
designed for waterworks service in the following configurations:
SECTION 43 21 13
Page 8
Pump No.
Horizontal
[_____]
Vertical
[_____]
2.3.1
Pump Service
The pumps shall be utilized for the following service:
Pump No.
Fire Pump
[_____]
Water Treatment Plant Pump
[_____]
Elevated Storage Pump
[_____]
Line Pressure Booster Pump
[_____]
2.3.2
Pump Drives
The pumps shall have the following driving units and shall be directly
connected to the driving units through solid shafts, flexible couplings, or
free wheeling clutches (as appropriate):
Pump No.
Electric motor drive
[_____]
Gasoline engine drive
[_____]
Diesel engine drive
[_____]
Combination electric motor and [gasoline]
[diesel] engine drive
[_____]
Variable speed drive
[_____]
2.3.3
Pump Construction
Except as below specified, centrifugal water pumps[ including required
priming equipment] shall be constructed in accordance with the Hydraulic
Institute HI 1.1-1.2.[ Additionally, fire pumps shall be constructed in
accordance with NFPA 20 and UL 448.]
2.3.4
Pump Characteristics
**************************************************************************
NOTE: Characteristics of each pump will normally be
specified by a minimum of two points on the
head-capacity curve. The blanks for liters per
second gpm and total head in mm feet will be filled
SECTION 43 21 13
Page 9
in appropriately. If two or more pumps are to
operate in parallel or in series, and a system head
curve is shown, the appropriate brackets will be
removed indicating pumps will match the system
curve. Approved fire pump ratings will be indicated
by filling in the applicable blanks.
**************************************************************************
The pumps shall be capable of discharging quantities at total discharge
heads measured at the discharge flange, between the following limits:
Pump No.
L/sec gpm at total discharge
head, mm ft. H2O
L/sec gpm at total discharge
head, mm ft. H2O
[_____]
and [_____]
[_____]
[_____]
and [_____]
[_____]
[_____]
and [_____]
[_____]
Pumps shall operate at optimum efficiencies to produce the most economical
pumping system under the conditions encountered [and shall be sized to make
optimum match with the system head curve as shown]. [Suction lift on pump
No. [_____] will be not more than [_____] mm ft.] [Fire pumps shall be
rated at [_____] L/second gpm at [_____] kPa psi, total discharge head.]
Pumps shall furnish not less than 150 percent of rated capacity at a total
discharge head of not less than 65 percent of total rated head. [The
shutoff total head shall be not greater than 120 percent of total rated
head.]
2.3.5
Pump Casings
**************************************************************************
NOTE: For water conditions where cast iron is not
applicable, indicate other casing material.
**************************************************************************
Pump casings shall be [cast iron] [_____] of the following design:
Pump No.
Horizontal shaft, horizontal split casing
[_____]
Horizontal shaft, vertical split casing
[_____]
Vertical shaft, dry pit
[_____]
Vertical shaft, wet pit
[_____]
The casings shall be designed to permit replacement of wearing parts.
[Horizontal-split casings shall have the suction and discharge nozzles cast
integrally with the lower half, so that the upper part of the casings may
be removed for inspection of the rotating parts without disturbing pipe
connections or pump alignment.] Pump casings shall be of uniform quality
SECTION 43 21 13
Page 10
and free from blowholes, porosity, hard spots, shrinkage defects, cracks
and other injurious defects. Defects in casings shall not be repaired
except when such work is approved and is done by or under the supervision
of the pump manufacturer, and then only when the defects are small and do
not adversely affect the strength or use of the casing. Casings shall be
single or double volute with flanged piping connections conforming to
ASME B16.1, Class 125. The direction of shaft rotation shall be
conspicuously indicated. The casing shall have tapped openings for air
venting, priming, draining, and suction and discharge gauges. A brass or
bronze umbrella or vent cock shall be furnished for venting except where
automatic air vents are indicated. Drain openings in the volute, intake,
or other passages capable of retaining trapped water shall be located in
the low point of such passages.
2.3.6
Impellers
Impellers shall be of enclosed design and shall be constructed of [bronze]
[_____], carefully finished with smooth water passageways, and shall be
statically and dynamically balanced. Impellers shall be securely keyed to
the pump shaft. [Provisions shall be made for vertical impeller adjustment
at the top of the motor.] [Impellers on vertical-split pumps shall be
additionally secured with a self-locking nut.]
2.3.7
Wearing Rings
Wearing rings of [bronze] [_____] shall be provided for impellers. Wearing
rings of a different composition or of a suitable ferrous material shall be
provided for pump casings. Casing rings shall be securely fixed in
position to prevent rotation. Rings shall be renewable and designed to
ensure ease of maintenance.
2.3.8
Shaft
Shaft shall be of high grade steel, accurately machined, and shall be of
sufficient size and strength to perform the work required. Vertical shafts
shall be the [open] [closed] type and shall be adequately provided with
alignment bearings. Bronze renewable shaft sleeves shall be provided for
protection of the shaft in contact with water, and in the stuffing boxes.
Shaft sleeves shall be keyed to the pump shaft.
2.3.9
Packing Seals
**************************************************************************
NOTE: Where pump duty conditions include severe
ON/OFF or extreme of either end-of-curve operation,
pump should be packed only, or one packed and one
mechanically sealed pump should be specified with
the latter pump convertible to packing. Select
either paragraph "Packing Seals" or "Mechanical
Seals" and edit accordingly.
**************************************************************************
Packing shall be non-asbestos. Pump shall be shipped to the site without
the packing inserted and shall be packed onsite in the presence of the pump
or packing manufacturer's representative. At no time during startup or
run-in shall the gland drip less water than 80 drops per minute. After not
less than 40 operating hours and upon permission of the Contracting
Officer, leakage rate may be reduced to 50 drops per minute or to the rate
recommended by packing manufacturer.
SECTION 43 21 13
Page 11
2.3.9.1
Gland
Gland shall be split-bronze type with ASTM F593 stainless steel eyebolts
and pins or studs. Hex-nuts shall be bronze or nongalling stainless steel.
2.3.9.2
Stuffing boxes
Stuffing boxes exposed to below atmospheric pressure at any operating
condition, including starting, shall be provided with a water seal. Water
seal shall consist of nonferrous lantern ring or a seal cage and required
connections to the pump case.
2.3.10
Mechanical Seals
Mechanical seals shall be balanced or unbalanced, as necessary to conform
to specified service requirements. Mechanical seals shall be constructed
in a manner and of materials particularly suitable for the temperature
service range and quality of water being pumped. Seal construction shall
not require external source cooling for pumped-fluid service temperatures
up to 120 degrees C 250 degrees F. Seal pressure rating shall be suitable
for maximum system hydraulic conditions. Materials of construction shall
include AIST PB-229 series stainless steel, solid tungsten-carbide
rotating-seal face, and Buna-N vinylidene-fluoride-hexafluoropropylene,
EPT, or tetrafluoroethylene seals. Bypass flushing water supply shall be
free of iron rust products and other abrasive materials and shall be
directed onto face of seal without dead ending. All piping and accessories
shall be provided. Throttling bushing shall have clearances to minimize
leakage in case of complete seal failure without restriction of flushing
water. Mechanical seals shall not be subjected to hydrostatic test
pressures in excess of the manufacturer's recommendations.
2.3.11
Couplings
Couplings shall be of the heavy-duty flexible type, keyed and locked to the
shaft. The outside surface of the couplings for horizontal pumps and
close-coupled vertical pumps shall be machined parallel to the axis of the
shaft. The faces of the couplings shall be machined perpendicular to the
axis of the shaft. Disconnecting the couplings shall be accomplished
without removing the driver half or the pump half of the couplings from the
shaft. Couplings for vertical pumps other than close-coupled vertical
pumps may be of the universal type. Flexible couplings shall not be used
to compensate for misalignment of pump.
2.3.12
Balance
All rotating parts of the equipment shall operate throughout the required
range without excessive end thrust, vibration, or noise. Defects of this
type that cannot be eliminated by installation adjustments will be
sufficient cause for rejection of the equipment. Pump impeller assemblies
shall be statically and dynamically balanced to within 1/2 percent of W
times R squared, where W equals weight and R equals impeller radius. Shaft
construction shall be substantial to prevent seal or bearing failure due to
vibration. Total shaft peak-to-peak dynamic deflection measured by
vibrometer at pump-seal face shall not exceed 0.051 mm 2.0 mils under
shutoff-head operating conditions. Flow from 6 mm 1/4 inch iron pipe size
(ips) pipe shall be provided during testing.
SECTION 43 21 13
Page 12
2.3.13
Bearings
Bearings shall be ball or roller type, and the main bearings shall take all
radial and end thrust. Pumps that depend only on hydraulic balance to
overcome end thrust will not be acceptable.
2.3.14
Lubrication
[Bearings on horizontal-shaft pumps shall be either oil-bath type or grease
type. Each oil reservoir shall be liberal in size and provided with an
opening for filling, an overflow opening at the proper location to prevent
overfilling, an oil-level sight glass, and a drain at the lowest point.]
[Bearings on vertical shaft wet-pit pumps shall be either oil or water
type. Pumps with oil-lubrication systems shall be designed so that all
shaft bearings will be isolated from the pumped liquid. An automatic sight
feed oiler shall be provided on a suitable mounting bracket with connection
to the shaft tube. Bearings on vertical-shaft dry-pit pumps shall be
grease type.] Grease type bearings shall be provided with fittings for a
grease gun and, if the bearings are not easily accessible, with grease
tubing extending to convenient locations. The grease fittings shall be of
a type that prevent over lubrication and the buildup of pressure injurious
to the bearings.
2.3.15
Base Plates
[Horizontal-shaft centrifugal pumps shall be provided with a common base
for mounting each pump and driving unit of the pump on the same base. Each
base shall be constructed of cast iron with a raised lip tapped for
drainage, or of welded steel shapes with suitable drainage pan.]
[Horizontal-shaft end suction pumps shall be mounted on a factory furnished
channel steel frame. With the exception of close-coupled pumps,
horizontal-shaft end suction pumps shall be frame mounted.] [Vertical-shaft
pumps shall be provided with complete mounting suitable for the type of
pump furnished, with the base for the pump separate from the base of the
driving unit.] The drainage structure shall collect the packing box
leakage and shall have a 13 mm 1/2 inch NPT connection to connect it to a
drain.
2.3.16
Cocks, Plugs, and Accessories
The pumps shall be equipped with air cocks, drain plugs, and [single]
[duplex] gauges indicating discharge pressures for all pumps [and suction
pressures for pumps without suction lift]. Gauges, equipped with a shutoff
cock and snubber, shall conform to ASME B40.100, and shall be calibrated in
kPa and psi psi [and feet of water] in not more than 10 kPa and 2 psi 2 psi
[5 foot] increment[s]. Gauge ranges shall be appropriate for the
particular installation. Normal operating suction and discharge pressures
of the pump shall be indicated on the mid-point range of the gauges.
[Pressure relief valve shall be furnished and installed where indicated.]
[Suction lift pipe shall be provided with a foot valve as shown, capable of
preventing loss of prime when the pump rotation is stopped.]
2.3.17
Piping Connections
The pump suction and discharge shall be provided with flanged connections
of suitable size and suitably arranged for piping shown. Pipe flanges
shall conform to ASME B16.1 and ASME B16.5. Piping shall be installed to
preclude the formation of air pockets.
SECTION 43 21 13
Page 13
frequency of engine operation for adequacy of
fouling factor. If remote mounted radiators are
utilized, drawings should indicate locations,
mounting arrangement, and piping details.
**************************************************************************
Cooling system shall be the forced-circulation, closed type and shall
include a fan and [an engine mounted radiator][a remote mounted radiator
with expansion tank, if required].[ Heat exchanger tube bundle shall be
readily removable for cleaning without disturbing the engine piping. Heat
exchanger shall be of sufficient capacity to operate the engine at full
rated load with a raw water temperature of [_____] degrees C degrees F and
a fouling factor of 0.001 on the raw water side. Raw cooling water circuit
shall be thermostatically controlled by a self-contained, single-seated,
reverse-acting, adjustable valve with a remote bulb supplied with the
engine by the engine manufacturer. Valve shall be arranged to provide full
flow of cooling water through the exchanger in event of failure of the
valve. A solenoid shut-off valve and bronze body strainer with stainless
steel screen shall be installed ahead of the thermostatic valve. Isolation
valves with manual bypass shall be factory piped on the engine requiring
only the raw water connection to be made in the field.] [Flexible
connections shall be used to connect the inlet and outlet radiator
connections to the engine.][ Radiator shall be of sufficient capacity to
operate the engine at full rated load at [_____] degrees C degrees F
ambient temperature.][ Radiator shall be provided with a flange for
connection to the exhaust air duct.] Closed jacket water circuit shall be
thermostatically controlled, and shall include an integral circulating
pump. Drain cocks shall be provided at low points of the closed jacket
water system. Exhaust manifolds shall be water jacketed or provided with
an insulating jacket furnished by the engine manufacturer. Engine cooling
system shall be charged with an inhibited ethylene-glycol solution to
provide antifreeze protection to [_____] degrees C degrees F.
2.8.3
Lubrication
Engine lubrication shall be a pressure circulation system with an engine
driven pump and engine mounted oil cooler. Full flow type filters with
automatic bypass or bypass type filters shall be provided. Filter elements
shall be of replaceable type and shall be readily accessible.
2.8.4
Exhaust System
**************************************************************************
NOTE: Drawings should indicate silencer location,
mounting, and exhaust arrangement.
**************************************************************************
Engine exhaust system shall be equipped with [an industrial][a residential]
type silencer with drains and flexible, stainless steel connection.
Flexible connector shall be provided with factory fabricated expanded metal
personnel protection guards. Silencers shall be mounted [inside][outside]
as indicated and shall be of the straight through, or side inlet type as
required to suit the space available and the engine exhaust arrangement.
An engine with dual exhaust outlets and provided with one exhaust silencer
shall have dual inlets on the silencer or a factory fabricated Y-branch or
equivalent fitting to join the two exhausts together.
SECTION 43 21 13
Page 19
2.8.5
Air Intake Equipment
**************************************************************************
NOTE: Air quality in the location of the engine or
air intake should be checked for adequacy of
cleaning devices. Drawings should indicate location
and mounting arrangement of remote units.
**************************************************************************
Each engine shall be provided with a dry [replaceable] [cleanable]
[combination silencer-filter] type intake air cleaner. Filter shall be
[engine mounted] [remote mounted as indicated and furnished with flexible
connection for attachment of intake piping to the engine].
2.8.6
Starting Equipment
Engine shall be provided with an electric starting motor suitable for the
starting service specified.
2.8.7
Batteries
Each engine shall be provided with heavy-duty [nickel-cadmium alkaline][ or
][lead acid] type starting batteries. Batteries shall have sufficient
capacity at [_____] degrees C degrees F to provide the necessary cranking
speed through [_____] minutes of cranking cycles specified. Batteries
shall be provided with a battery rack, and if material is not inherently
resistant to acid, coating shall be applied to the stand. Connecting
cables shall be provided as required. [A dual battery set sized to NFPA 20
requirements with rack and cables shall be provided for fire service
systems.]
2.8.8
Battery Charging
Engine shall be equipped with an engine driven battery charging alternator
with a regulator for use when the engine is running. A separately mounted
battery charger shall also be furnished. Battery charger shall be an
automatic, float type providing continuous taper charging. Output
characteristics shall match the requirements of the battery furnished.
Charger shall be suitable for operation on [_____] volt, single-phase,
[_____] Hz current and shall be rated not less than 6 amperes dc.[ A dual
battery charger of proper type for batteries used shall be provided for
fire service systems.] Where wall mounting is indicated, enclosure shall
be suitable for conduit connection, and ventilating openings shall be
guarded. An interlock is required between the engine driven charging
system and the charger. Battery charger shall have the following features:
a.
Direct current voltage regulation shall be within plus or minus 2
percent for variations in line voltage of plus or minus 10 percent.
b.
Direct current voltmeter and direct current ammeter, each with
numerical scales.
c.
Automatic surge suppressor.
d.
Automatic current limiting to prevent overloading due to engine
cracking, shorted output or reversed battery connections.
e.
Alternating current line fusing.
SECTION 43 21 13
Page 20
following tests:
a.
The integrated circuits shall undergo a 160-hour "burn-in" to test
reliability. During the "burn-in" the temperature shall be cycled
between 0 and 70.0 degrees C 32 and 158 degrees F.
b.
The completed unit shall undergo a fully loaded 24-hour "burn-in."
c.
The unit shall be subject to a series of in-plant quality controlled
inspections before approval for shipment from manufacturer's facilities.
2.5.3.4
Service
The variable speed drive shall be supplied with the following:
a.
One-year parts and labor warranty.
b.
A troubleshooting guide to help the building operator determine what
steps must be taken to correct any problem that may exist in the system.
2.5.3.5
Basic Features
The variable speed drive shall have the following basic features:
a.
Hand/Off/Auto Operation.
b.
Manual/Auto speed reference switch.
c.
Minimum/maximum adjustable speeds.
d.
Speed potentiometer.
e.
Auto restart.
f.
Linear timed acceleration and deceleration for soft starting/stopping.
g.
3-63 Hz controlled speed range.
h.
Terminal connections for time clock control, fire, smoke, freeze
detectors, and EP relay pre-set speed override.
i.
Output frequency terminals for remote metering.
2.5.3.6
(Factory set at 15 Hz minimum).
Protective Circuits and Features
The variable speed drive controller shall include the following protective
circuits/features:
a.
Current limits to 100 percent design by slowing down motor.
b.
Instantaneous Electronic Trip - automatically shutdown motor if current
exceed 120 percent of design or phase-to-phase output short circuit
occurs.
c.
The variable speed drive will restart automatically when input line
returns to normal in the event of intermittent power outage or phase
loss or overvoltage shutdown.
d.
Input power protection shuts down the unit if the following faults
SECTION 43 21 13
Page 16
occur; low input line voltage or loss of an input phase.
e.
Insensitive to incoming power phase.
f.
Fast acting current limiting input fuses, (Class J) rated with 200,000
interrupting amperes capability.
g.
Isolated 115 volt control circuit and dedicated control transformer.
h.
Line-to-line fault protection.
i.
Line-to-ground short circuiting and accidental motor grounding
protection.
j.
Output thermal overload relay trip.
2.5.3.7
Adjustments
The variable speed drive has the following adjustments available via
potentiometers located on the faceplate of a single, regulator printed
circuit board.
a.
Minimum speed:
0-75 percent.
b.
Maximum speed:
100 percent.
2.6
DIESEL ENGINES
**************************************************************************
NOTE: Diesel engines and diesel fuel systems have
been found to be more reliable and are generally the
preferred selection. If the only engine drive is
for fire pump service, delete all engine references
that differ from NFPA 20 requirements. For large
engine drives or units intended for continuous prime
power duty, consider reducing engine speed
limitation or better engine selection. Lube oil
heaters are not normally used on smaller engines.
**************************************************************************
Diesel engines shall be water-cooled, heavy duty, compression-ignition,
cold-starting engines with removable cylinder sleeves. Engines may be
2-cycle or 4-cycle and may be either naturally aspirated, scavenged or
turbocharged and shall operate satisfactorily on No. 2D diesel fuel
conforming to ASTM D975. Engines shall be provided with a manual clutch
and arranged for connection to the pump through a flexible shaft with a
splined joint. Engines shall be current models of a type in regular
production and shall be complete with all devices specified and normally
furnished with the engine. Engines shall have a published continuous
horsepower rating at least [_____] percent greater than that required at
any point on the pump performance curve at the specified pump speed plus
power required for any engine driven accessories. Naturally aspirated
ratings shall be decreased by 3 percent for every 300 m 1,000 feet of
altitude, and 1 percent for every 5 degrees C 10 degrees F that the engine
performance conditions exceed the published rating conditions. Scavenged
or turbocharged engine ratings shall be decreased as indicated by the
engine manufacturer's engine performance data. Engine shall be suitable
for performance at [_____] degrees C degrees F ambient and [_____] mm foot
elevation. Engine speed shall not exceed 1,800 rpm when driving the pump
SECTION 43 21 13
Page 17
at rated conditions. [Engines driving fire pumps shall conform to NFPA 20.]
Engines shall be capable of starting and assuming full load within 10 to 15
seconds, with a minimum ambient temperature of [_____] degrees C degrees F.
Approved engine jacket water [and lube oil] heaters shall be provided as
recommended by the manufacturer. [Lube oil heaters shall be of the
circulation type.]
2.7
GASOLINE ENGINES
**************************************************************************
NOTE: Use of gasoline engines may be applicable
where fuel logistics or other factors rule against
diesels. Note that gasoline engines are not
recommended by NFPA 20 for fire service. Lube oil
heaters are not normally used on smaller engines.
**************************************************************************
Gasoline engines shall be heavy-duty, 4-cycle, water cooled, spark ignition
engines designed to operate efficiently on gasoline having an octane rating
of 85 or higher. Engines shall be provided with a manual clutch and
arranged for connection to the pump through a flexible shaft with a splined
joint. Engines shall be current models of type in regular production and
shall be complete with all devices specified and normally furnished with
the engine. Engine shall have a published continuous rating at least
[_____] percent greater than that required at any point on the pump
performance curve at the specified pump speed plus power required for any
engine driven accessories. Engine rating shall be decreased by 3-1/2
percent for every 300 m 1,000 feet of altitude, and 1 percent for every 5
degrees C 10 degrees F that the engine performance conditions exceed the
published rating conditions. Engine shall be suitable for performance at
[_____] degrees C degrees F ambient and [_____] mm feet elevation. Engine
speed shall not exceed 1,800 rpm when driving the pump at rated
conditions. Engine shall be capable of starting and assuming full load
within 10 to 15 seconds, with a minimum ambient temperature of [_____]
degrees C degrees F. Approved engine jacket water [and lube oil] heaters
shall be provided as recommended by the manufacturer. [Lube oil heaters
shall be of the circulation type.] Automatically controlled engines shall
be provided with an approved antidieseling feature that will shut off the
fuel supply and air to ensure positive shut down.
2.8
2.8.1
ENGINE EQUIPMENT AND ACCESSORIES
Governor
**************************************************************************
NOTE: Check pump performance and system factors for
possible changes to maximum speed limitations.
**************************************************************************
Engine shall be equipped with an adjustable constant speed governor set to
maintain pump speed within 3 percent of rated speed at rated load. A
separate, manual reset, overspeed device shall be provided which shall shut
down the engine in the event the speed reaches approximately 15 percent
above rated speed.
2.8.2
Cooling System
**************************************************************************
NOTE: Check raw water quality and probable
SECTION 43 21 13
Page 18
frequency of engine operation for adequacy of
fouling factor. If remote mounted radiators are
utilized, drawings should indicate locations,
mounting arrangement, and piping details.
**************************************************************************
Cooling system shall be the forced-circulation, closed type and shall
include a fan and [an engine mounted radiator][a remote mounted radiator
with expansion tank, if required].[ Heat exchanger tube bundle shall be
readily removable for cleaning without disturbing the engine piping. Heat
exchanger shall be of sufficient capacity to operate the engine at full
rated load with a raw water temperature of [_____] degrees C degrees F and
a fouling factor of 0.001 on the raw water side. Raw cooling water circuit
shall be thermostatically controlled by a self-contained, single-seated,
reverse-acting, adjustable valve with a remote bulb supplied with the
engine by the engine manufacturer. Valve shall be arranged to provide full
flow of cooling water through the exchanger in event of failure of the
valve. A solenoid shut-off valve and bronze body strainer with stainless
steel screen shall be installed ahead of the thermostatic valve. Isolation
valves with manual bypass shall be factory piped on the engine requiring
only the raw water connection to be made in the field.] [Flexible
connections shall be used to connect the inlet and outlet radiator
connections to the engine.][ Radiator shall be of sufficient capacity to
operate the engine at full rated load at [_____] degrees C degrees F
ambient temperature.][ Radiator shall be provided with a flange for
connection to the exhaust air duct.] Closed jacket water circuit shall be
thermostatically controlled, and shall include an integral circulating
pump. Drain cocks shall be provided at low points of the closed jacket
water system. Exhaust manifolds shall be water jacketed or provided with
an insulating jacket furnished by the engine manufacturer. Engine cooling
system shall be charged with an inhibited ethylene-glycol solution to
provide antifreeze protection to [_____] degrees C degrees F.
2.8.3
Lubrication
Engine lubrication shall be a pressure circulation system with an engine
driven pump and engine mounted oil cooler. Full flow type filters with
automatic bypass or bypass type filters shall be provided. Filter elements
shall be of replaceable type and shall be readily accessible.
2.8.4
Exhaust System
**************************************************************************
NOTE: Drawings should indicate silencer location,
mounting, and exhaust arrangement.
**************************************************************************
Engine exhaust system shall be equipped with [an industrial][a residential]
type silencer with drains and flexible, stainless steel connection.
Flexible connector shall be provided with factory fabricated expanded metal
personnel protection guards. Silencers shall be mounted [inside][outside]
as indicated and shall be of the straight through, or side inlet type as
required to suit the space available and the engine exhaust arrangement.
An engine with dual exhaust outlets and provided with one exhaust silencer
shall have dual inlets on the silencer or a factory fabricated Y-branch or
equivalent fitting to join the two exhausts together.
SECTION 43 21 13
Page 19
2.8.5
Air Intake Equipment
**************************************************************************
NOTE: Air quality in the location of the engine or
air intake should be checked for adequacy of
cleaning devices. Drawings should indicate location
and mounting arrangement of remote units.
**************************************************************************
Each engine shall be provided with a dry [replaceable] [cleanable]
[combination silencer-filter] type intake air cleaner. Filter shall be
[engine mounted] [remote mounted as indicated and furnished with flexible
connection for attachment of intake piping to the engine].
2.8.6
Starting Equipment
Engine shall be provided with an electric starting motor suitable for the
starting service specified.
2.8.7
Batteries
Each engine shall be provided with heavy-duty [nickel-cadmium alkaline][ or
][lead acid] type starting batteries. Batteries shall have sufficient
capacity at [_____] degrees C degrees F to provide the necessary cranking
speed through [_____] minutes of cranking cycles specified. Batteries
shall be provided with a battery rack, and if material is not inherently
resistant to acid, coating shall be applied to the stand. Connecting
cables shall be provided as required. [A dual battery set sized to NFPA 20
requirements with rack and cables shall be provided for fire service
systems.]
2.8.8
Battery Charging
Engine shall be equipped with an engine driven battery charging alternator
with a regulator for use when the engine is running. A separately mounted
battery charger shall also be furnished. Battery charger shall be an
automatic, float type providing continuous taper charging. Output
characteristics shall match the requirements of the battery furnished.
Charger shall be suitable for operation on [_____] volt, single-phase,
[_____] Hz current and shall be rated not less than 6 amperes dc.[ A dual
battery charger of proper type for batteries used shall be provided for
fire service systems.] Where wall mounting is indicated, enclosure shall
be suitable for conduit connection, and ventilating openings shall be
guarded. An interlock is required between the engine driven charging
system and the charger. Battery charger shall have the following features:
a.
Direct current voltage regulation shall be within plus or minus 2
percent for variations in line voltage of plus or minus 10 percent.
b.
Direct current voltmeter and direct current ammeter, each with
numerical scales.
c.
Automatic surge suppressor.
d.
Automatic current limiting to prevent overloading due to engine
cracking, shorted output or reversed battery connections.
e.
Alternating current line fusing.
SECTION 43 21 13
Page 20
f.
Equalize charge rate with manually set timer.
g.
Integral protection to prevent battery discharge through the charger on
loss of alternating current line voltage.
h.
Terminal block with terminals for all external connections.
2.8.9
Safety Controls
Each engine shall be equipped with automatic shut down features to stop the
engine for high jacket water temperature, low oil pressure, and engine
overspeed. Shutdown features shall be connected to the annunciator on the
instrument panel and each shutdown feature will be identified.
2.8.10
Instrument Panel
**************************************************************************
NOTE: Delete inapplicable items. Fuel pressure
gauges may not be applicable on smaller engines.
Consider site location and operational factors for
alarm requirements. Auxiliary contacts may be
desired for control of combustion air dampers or
other appurtenances. Indicate equipment on drawings
and/or reference other specifications as appropriate.
**************************************************************************
Each engine shall be furnished with an instrument panel mounted with
vibration isolators on the unit. Instruments shall be of the direct
reading type and shall be factory mounted and connected. Panel shall
include the following features and instruments:
a.
Three-position MANUAL-OFF-AUTO switch.
b.
Manual starting switch.
c.
Water temperature gauge.
d.
Ammeter-charging circuit.
e.
Tachometer.
f.
Lubricating oil pressure gauge.
g.
Running time meter.
h.
Alarm annunciator [with single audible alarm] [and] [with contacts to
operate a remote alarm] and individual indicating lights for low-oil
pressure, high-water temperature, engine overspeed, and failure of
engine to start.
i.
Manual engine speed regulating device.
j.
Additional instruments or devices that are required for use in
conjunction with the engine controls specified.
k.
Auxiliary contacts.
SECTION 43 21 13
Page 21
2.8.11
2.8.11.1
Engine Control
Single Units
**************************************************************************
NOTE: Consider application of engine for
appropriate cranking periods and coordinate with
battery requirements.
**************************************************************************
[Each engine shall be manually started by a pushbutton switch on the engine
instrument panel through a suitably enclosed relay. Cyclic operation of
the motor shall not be provided.][ Each engine shall be automatically
started by a pilot-control circuit. A control panel enclosing all relays,
contactors, and timers shall be mounted [on][in] the [floor][wall][engine
panel]. Panel shall be provided with hinged cover and latch. Engine
starting circuit shall provide for 3 or 4 interrupted cranking periods of
approximately 15 seconds with equal rest periods between, unless the engine
starts before the end of that time. At the end of the period, the starter
circuit shall be de-energized. Starter motor shall be automatically
de-energized when the engine starts.] Engines shall be stopped manually
with the switch on the instrument panel.
2.8.11.2
Multiple Units
**************************************************************************
NOTE: Check drawings to insure that control
circuits are indicated and that the starting
sequence described is appropriate. Do not use
reference to NFPA 20 for gasoline engine units.
**************************************************************************
[Engines shall be manually started by pushbutton switches on the instrument
panel through suitable enclosed relays.][ Engines shall be automatically
started by a pilot-control circuit as indicated. A control panel enclosing
all relays, contactors, timers, and selector switches shall be
[wall][floor] mounted and provided with hinged cover and latch. The
controller for each unit of multiple pump units shall incorporate a
sequential timing device to prevent any one engine from starting
simultaneously with any other engine. If water requirements call for more
than one pumping unit to operate, the units shall start at intervals of 5
to 10 seconds. Failure of a leading engine to start shall not prevent
subsequent engines from starting. Engines shall be stopped manually with
the switch on instrument panel.] [Automatic pump controller shall conform
to NFPA 20.]
2.8.12
Fuel System
Fuel system consisting of storage tank, day tank, connecting piping, and
accessories shall conform to the applicable items of NFPA 30 and NFPA 37.
A horizontal underground storage tank with a capacity of [_____] liters
gallons shall be provided for the storage of [No. 2 diesel] [gasoline]
fuel. The storage tank shall be constructed, installed, and tested as
specified in Section 33 56 10 FACTORY-FABRICATED FUEL STORAGE TANKS.
SECTION 43 21 13
Page 22
2.9
2.9.1
EQUIPMENT APPURTENANCES
Attachments
All necessary bolts, nuts, washers, bolt sleeves, and other types of
attachments for the installation of the equipment shall be furnished with
the equipment. Bolts shall conform to the requirements of ASTM A307 and
nuts shall be hexagonal of the same quality as the bolts used. Threads
shall be clean-cut and shall conform to ASME B1.1. Bolts, nuts, and
washers specified to be galvanized or not otherwise indicated or specified,
shall be zinc coated after being threaded, by the hot-dip process
conforming to [ASTM A123/A123M][ASTM A153/A153M] as appropriate. Bolts,
nuts, and washers specified or indicated to be stainless steel shall be
Type 316.
2.9.2
Equipment Guards
Equipment driven by open shafts, belts, chains, or gears shall be provided
with all-metal guards enclosing the drive mechanism. Guard shall be
constructed of galvanized sheet steel or galvanized woven wire or expanded
metal set in a frame of galvanized steel members. Guards shall be secured
in position by steel braces or straps which will permit easy removal for
servicing the equipment. The guards shall conform in all respects to all
applicable safety codes and regulations.
2.9.3
Tools
A complete set of all special tools which may be necessary for the
adjustment, operation, maintenance, and disassembly of all equipment shall
be furnished. Special tools are considered to be those tools which because
of their limited use are not normally available, but which are necessary
for the particular equipment. Special tools shall be high-grade, smooth,
forged, alloy, tool steel. One pressure grease gun for each type of grease
required for [motors][ and ][gasoline][ and ][diesel] engines shall also be
furnished. All tools shall be delivered at the same time as the equipment
to which they pertain. Properly store and safeguard such tools until
completion of the work, at which time they shall be delivered to the
Contracting Officer.
2.9.4
Shop Painting
All motors, pump casings, and similar parts of equipment customarily
finished in the shop shall be thoroughly cleaned, primed, and given two
finish coats of paint at the factory in accordance with the recommendations
of the manufacturer. Ferrous surfaces not to be painted shall be given a
shop coat of grease or other suitable rust-resistant coating.
2.10
FACTORY TESTS
Pumps shall be tested by the manufacturer or a nationally recognized
testing agency in compliance with Hydraulic Institute Standards. Where two
or more identical pumps are specified, only one representative pump shall
be tested. Certified test results shall be submitted to the Contracting
Officer.
SECTION 43 21 13
Page 23
PART 3
3.1
EXECUTION
EXAMINATION
After becoming familiar with all details of the work, verify all dimensions
in the field and advise the Contracting Officer of any discrepancy before
performing the work.
3.2
INSTALLATION
Install each pump and engine in accordance with the written instructions of
the manufacturer[ and under the direct supervision of the manufacturer's
representative].[ Install engine fuel supply system as indicated and in
conformance with NFPA 30 and NFPA 37.] Concrete for equipment foundations[
and for any required ballast for fuel storage tanks] shall be as specified
in Section 03 30 00.00 10 CAST-IN-PLACE CONCRETE. Concrete foundations
shall be integral with and of the same class as that of the building floor
unless otherwise indicated. Use concrete having a compressive strength of
at least 17 MPa 2,500 psi in foundations that are entirely separated from
the surrounding floor. Install a premolded filler strip between the
foundation and floor slab as shown. Furnish foundation bolts, as required,
for proper positioning during the placement of the concrete.
3.2.1
System Coordination
Prior to installation, submit drawings containing complete wiring and
schematic diagrams and any other details required to demonstrate that the
system has been coordinated and will properly function as a unit. Show
proposed layout and anchorage of equipment and appurtenances, and equipment
relationship to other parts of the work including clearances for
maintenance and operation. Provide a complete listing of equipment and
materials.
3.2.2
Operating Instructions
Proposed diagrams, instructions, and other sheets, prior to posting.
Approved wiring and control diagrams showing the complete layout of the
entire system, including equipment, piping valves, and control sequence,
framed under glass or in approved laminated plastic, shall be posted where
directed. Condensed operating instructions explaining preventive
maintenance procedures, methods of checking the system for normal safe
operation, and procedures for safely starting and stopping the system shall
be prepared in typed form, framed as specified above for the wiring and
control diagrams, and posted beside the diagrams. The framed instructions
shall be posted before acceptance testing of the systems.
3.3
FIELD TESTS
After installation of the pumping units and appurtenances is complete,
carry out operating tests to assure that the pumping installation operates
properly. Tests shall assure that the units and appurtenances have been
installed correctly, that there is no objectionable heating, vibration, or
noise from any parts, and that all manual and automatic controls function
properly. If any deficiencies are revealed during any tests, such
deficiencies shall be corrected and the tests shall be reconducted.[ Make
arrangements to have the manufacturer's representatives present when field
equipment tests are made.]
SECTION 43 21 13
Page 24
3.3.1
Procedures
[Field tests for fire service pumps and engines shall conform to NFPA 20.]
Subject each pumping unit to a running field test in the presence of the
Contracting Officer for a minimum of 2 hours[ with each combination of
electric motor and engine drive]. Operate each pumping unit at its rated
capacity or such other point on its head-capacity curve selected by the
Contracting Officer. Provide an accurate and acceptable method of
measuring the discharge flow.[ Operate each engine for a minimum of 4
hours at a point of maximum horsepower indicated on the pump head-capacity
curve or such other point on the curve selected by the Contracting Officer.]
3.3.2
Insulation Resistance Testing
For submersible pumping units, an insulation resistance test of the cable
and the motor shall be conducted prior to installation of the pump, during
installation of the pump, and after installation is complete. The
resistance readings shall not be less than 10 megohms.
3.3.3
Reporting
Submit test reports in booklet form showing all field tests performed to
adjust each component and all field tests performed to prove compliance
with the specified performance criteria, upon completion and testing of the
installed system. Each test report shall indicate the final position of
controls.
3.4
FIELD PAINTING
Do not paint stainless steel, galvanized steel, and nonferrous surfaces.
3.4.1
Touch-Up Painting
Factory painted items requiring touching up in the field shall be
thoroughly cleaned of all foreign material and shall be primed and
topcoated with the manufacturer's standard factory finish.
3.4.2
Exposed Ferrous Surfaces
Exposed ferrous surfaces shall be painted with two coats of enamel paint
conforming to SSPC Paint 21. Factory primed surfaces shall be
solvent-cleaned before painting. Surfaces that have not been factory
primed shall be prepared and primed with one coat of SSPC Paint 25or in
accordance with the enamel paint manufacturer's recommendations.
3.5
3.5.1
CLOSEOUT ACTIVITIES
Training
Upon completion of the work, and at a time designated by the Contracting
Officer, the services of one or more competent engineers shall be provided
for a training period of not less than [_____] hours to instruct a
representative of the Government in the contents of the operation and
maintenance manuals for the equipment furnished under these
specifications. These field instructions shall cover all the items
contained in the bound operating instructions. Submit the names and
qualifications of the training engineers and written certification from the
manufacturer that the trainers are technically qualified. Also, submit the
training course curriculum and training instructions to the Contracting
SECTION 43 21 13
Page 25
Officer 14 days prior to the start of training.
3.5.2
Operation and Maintenance Manuals
Submit complete sets of instructions containing the manufacturer's
operating and maintenance instructions for each piece of equipment. One
complete set at the time the tests procedure is submitted; remaining sets
before the contract is completed. Permanently bind each set, including a
hard cover. Inscribe the following identification on the covers: the
words "OPERATING AND MAINTENANCE INSTRUCTIONS," name and location of the
building, name of the Contractor, and contract number. Place flysheets
before instructions covering each subject. Instruction sheets shall be
approximately 216 by 279 mm 8-1/2 by 11 inches, with large sheets of
drawings folded in. Instructions shall include, but not be limited to, the
following:
a.
System layout showing piping, valves, and controls.
b.
Approved wiring and control diagrams.
c.
A control sequence describing startup, operation, and shutdown.
d.
Operating and maintenance instructions for each piece of equipment,
including lubrication instructions and troubleshooting guide.
e.
Manufacturer's bulletins, cuts, and descriptive data; and parts list
and recommended spare parts.
-- End of Section --
SECTION 43 21 13
Page 26
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